NDLI: Protein binding reaction enhanced by bi-directional flow driven by on-chip thermopneumatic actuator

Content Provider	Springer Nature Link
Author	Lei, Kin Fong Chen, Kuan Hao Chang, Yu Chen
Copyright Year	2014
Abstract	A microfluidic immunoassay system was developed for the study of the enhancement of protein binding reaction. The system mainly consisted of a thermopneumatic actuator and a reaction chamber. Reagent was pre-installed in the on-chip reservoir and manipulated by the actuator. Such design could eliminate the external tubing connections in order to reduce the waste of reagent and improve the portability. The on-chip actuator could manipulate the reagent bi-directionally to induce vortexes in the chamber. Enhancement of protein binding reaction was demonstrated by the protein model pair, i.e., mouse IgG and anti-mouse IgG. By such bi-directional fluid motion, more binding opportunities between suspended protein and its surface-immobilized counterpart were generated to improve the performance of immunoassay. It showed that an 83.74 % enhancement of the binding reaction was achieved, compared with the static situation. As a whole, the proposed microfluidic system is highly integrated and can enhance the protein binding efficiency using such novel design. The developed system can be easily extended to multi-reagents immunoassay protocols and provides a useful platform for point-of-care applications.
Starting Page	325
Ending Page	332
Page Count	8
File Format	PDF
ISSN	13872176
Journal	Biomedical Microdevices
Volume Number	16
Issue Number	2
e-ISSN	15728781
Language	English
Publisher	Springer US
Publisher Date	2014-01-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microfluidics Immunoassay Protein binding reaction Thermopneumatic actuator ELISA Biomedical Engineering Biophysics and Biological Physics Nanotechnology Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Molecular Biology Biomedical Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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